ITV News is not normally allowed to enter the territory but were invited in by Israeli forces and allowed to film under military direction.
The footage and commentary is interesting.
The narrative covers many points, including the admission by the IDF that they had underestimated the underground tunnel network by labelling it "the metro". Now they believe it is more comparable to an underground city than the Paris metro or London underground.
https://www.itv.com/watch/news/itv-news-taken-inside-gazas-hidden-tunnel-network-as-the-idf-claims-hamas-remains-active/kcknnq8